While it may not put much of a damper on the furor that’s about to erupt in Indianapolis next week, the National Football League (NFL) has a serious problem on its hands that is likely to get worse before it gets better.

The concussion epidemic in sports seems to be growing in coverage and prominence with every passing day. Head-injury awareness is at a fever pitch now with athletes consistently being carted off fields and relegated to benches and sidelines, and with this new collective concussion consciousness, so too have come a...